Hi all, I currently found a "allocated < usage" problem in the G1 log as follows.
[Eden: 342.0M(3296.0M)->0.0B(3890.0M) Survivors: 1024.0K->1024.0K Heap: 5541.2M(6655.0M)->1886.0M(6655.0M)] [Times: user=0.03 sys=0.00, real=0.02 secs] This log reveals that (1) The allocated space of "Old+Humongous" is (5541.2 - 342) = 5199.2MB before GC. (2) The usage of "Old+Humongous" is (6655 - 3296)=3359MB before GC. (3) The usage of "Old+Humongous" > the allocated space of "Old+Humongous" (Wrong) There may be a bug in the GC statistics profiler. My JDK version is java version "1.8.0_121" Java(TM) SE Runtime Environment (build 1.8.0_121-b13) Java HotSpot(TM) 64-Bit Server VM (build 25.121-b13, mixed mode)
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